scc

 1#include <assert.h>
 2#include <stdio.h>
 3#include <wchar.h>
 4
 5/*
 6output:
 7testing
 8done
 9end:
10*/
11
12int
13main()
14{
15	wchar_t buf[30] = L"abc";
16
17	puts("testing");
18	assert(wcsstr(buf, L"abc") == buf);
19	assert(wcsstr(buf, L"bc") == buf + 1);
20	assert(wcsstr(buf, L"c") == buf + 2);
21	assert(wcsstr(buf, L"d") == NULL);
22	wcscpy(buf, L"ababc");
23	assert(wcsstr(buf, L"abc") == buf+2);
24	assert(wcsstr(L"", L"abc") == NULL);
25	assert(wcsstr(buf, L"") == buf);
26	buf[0] = '\0';
27	assert(wcsstr(buf, L"") == buf);
28	puts("done");
29
30	return 0;
31}
32